Incidência de colelitíase em pacientes com diagnóstico de obesidade operados de Gastrectomia vertical vs Gastroplastia Reductortora em Y de Roux videolaparoscopica. Estudo retrospectivo

Autores

DOI:

https://doi.org/10.33448/rsd-v14i12.50443

Palavras-chave:

Colelitíase, Cirurgia bariátrica, Perda de peso, Gastrectomia vertical, Bypass gástrico.

Resumo

Introdução: A colelitíase é uma complicação metabólica frequentemente observada após a cirurgia bariátrica, especialmente em pacientes submetidos à rápida perda ponderal e a importantes alterações fisiológicas no período pós-operatório. Objetivo: O objetivo do presente estudo foi avaliar a relação entre a velocidade de perda de peso e o aparecimento de colelitíase em pacientes submetidos à cirurgia bariátrica (bypass gástrico ou gastrectomia vertical). Métodos: Estudo observacional analítico, retrospectivo e longitudinal, realizado em hospital terciário, que incluiu 401 pacientes adultos submetidos à cirurgia bariátrica entre janeiro de 2023 e junho de 2025. Foram analisados dados clínicos, antropométricos e ultrassonográficos aos 3 e 6 meses de pós-operatório. A velocidade de perda de peso foi expressa em kg/mês, sendo aplicadas análises descritivas, bivariadas e modelos de regressão logística ajustados. Resultados: A incidência de colelitíase foi semelhante entre as técnicas cirúrgicas aos 3 meses, porém significativamente maior no grupo submetido ao bypass gástrico aos 6 meses (18,4% vs. 8,5%; p < 0,001). Aos 3 meses, a maior velocidade de perda de peso associou-se de forma independente ao aumento do risco de colelitíase, associação não observada aos 6 meses. Não houve efeito modificador significativo da técnica cirúrgica. Conclusão: A colelitíase pós-bariátrica apresentou maior incidência após o bypass gástrico; entretanto, a velocidade de perda ponderal mostrou-se o principal fator associado à litogênese, independentemente da técnica utilizada.

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2025-12-29

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Incidência de colelitíase em pacientes com diagnóstico de obesidade operados de Gastrectomia vertical vs Gastroplastia Reductortora em Y de Roux videolaparoscopica. Estudo retrospectivo. Research, Society and Development, [S. l.], v. 14, n. 12, p. e190141250443, 2025. DOI: 10.33448/rsd-v14i12.50443. Disponível em: https://rsdjournal.org/rsd/article/view/50443. Acesso em: 2 jan. 2026.